US$ 160.65
demonstrating conservation of momentum and energy through ball-to-ball collisions
transferring
Dial-selectable multi-tap battery eliminator delivering 1
and 2 quadruple pulleys on a heavy composite base with capstan
Polished stainless steel lab spatula pack with one flat end and one scoop end on each tool
Large Magnetic Field Demonstration Plate Material_Borosilicate Glass demonstrating conservation of momentum andSingle large transparent plate filled with iron rod plotting compasses, each one rotating to follow the local field whenever a magnet is placed beneath the plate or alongside it.
US$ 160.65
US$ 26.29
US$ 575.19
US$ 133.62
US$ 57.56
US$ 86.57
US$ 470.45